—Don’t forget to turn off the light, Mike! —I ________.
—Whose MP5 is this, Tina? — It’s _____. My mother bought it for me last Sunday.
--- Did you know __________? --- He was ill in hospital.
--- Your classroom is very clean. --- Sure. It ________ after school every day.
They _______ here for more than ten years.
---Oh, your computer is so nice. ____ did you buy it? ---Thanks. I bought it in Wangfujing Dajie.